Kenton1 Kenton1
  • 21-11-2016
  • Chemistry
contestada

how much heat is released by 38 gram sample of water to freeze

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brandoncarroll13
brandoncarroll13 brandoncarroll13
  • 21-11-2016
Q = m*Hfus 
Q ≈ (0.025 kg)(333.55 kJ/kg) 
Q ≈ 8.33875 kJ ≈ 8.34 kJ
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Eduard22sly
Eduard22sly Eduard22sly
  • 21-10-2021

The amount of heat released by 38 g sample of water to freeze is 12692 J

From the question given above, the following data were obtained:

Mass of water (m) = 38 g

Heat of fusion (ΔHf) of water = 334 J/g

Heat (Q) released =?

The heat released by the water can be obtained as follow:

Q = m•ΔHf

Q = 38 × 334

Q = 12692 J

Therefore, the heat released by the water to freeze is 12692 J

Learn more: https://brainly.com/question/87248

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